netfilter: netns nf_conntrack: per-netns conntrack count

Sysctls and proc files are stubbed to init_net's one. This is temporary.

Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com>
Signed-off-by: Patrick McHardy <kaber@trash.net>
diff --git a/include/net/netfilter/nf_conntrack.h b/include/net/netfilter/nf_conntrack.h
index 2b8d6ef..5999c53 100644
--- a/include/net/netfilter/nf_conntrack.h
+++ b/include/net/netfilter/nf_conntrack.h
@@ -288,7 +288,6 @@
 extern int nf_conntrack_set_hashsize(const char *val, struct kernel_param *kp);
 extern unsigned int nf_conntrack_htable_size;
 extern int nf_conntrack_checksum;
-extern atomic_t nf_conntrack_count;
 extern int nf_conntrack_max;
 
 DECLARE_PER_CPU(struct ip_conntrack_stat, nf_conntrack_stat);
diff --git a/include/net/netns/conntrack.h b/include/net/netns/conntrack.h
index 82d80b8..edf8471 100644
--- a/include/net/netns/conntrack.h
+++ b/include/net/netns/conntrack.h
@@ -1,6 +1,9 @@
 #ifndef __NETNS_CONNTRACK_H
 #define __NETNS_CONNTRACK_H
 
+#include <asm/atomic.h>
+
 struct netns_ct {
+	atomic_t		count;
 };
 #endif